https://tinyurl.com/yxzazqyx
Yongnuo announced the world’s cheapest autofocus EF to E adapter:
On Amazon US and EU for just $99 and 95 Euro!
標題主要是提到價格便宜
但仔細看規格
"2 Focus Systems- With focusing system selection switch, support AF focus
system and Mixed-focus system, both focusing systems require camera support
for normal use."
https://i.imgur.com/jR33WiO.png
Sigma MC-11雖棒，但若是光圈f/4.5或f/5.6的鏡頭，對焦點放在左右邊界會無法對焦
如果轉接可以混用PDAF與CDAF，這些鏡頭會更好用
另外，這個轉接環也支援EF-S鏡頭與Fn按鈕